PHD Hi-Dome Round Plastic Crystal with Step (sizes 21.60 mm to 40.00 mm)

These round plastic crystals have a step and a domed top. This type of crystal is used for watches with high cannon pinions and hour wheels, watches with curved dials, and/or watches without a case back and movement comes out the front of the watch. PHD crystals are easily removed from watch cases using the Bergeon # 64-4266 crystal lift.